000 WTNT34 KNHC 190550 TCPAT4 BULLETIN HURRICANE DEAN INTERMEDIATE ADVISORY NUMBER 24A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL042007 200 AM AST SUN AUG 19 2007 ...DEAN HEADING TOWARD JAMAICA... A HURRICANE WARNING REMAINS IN EFFECT FOR THE SOUTHWESTERN PENINSULA OF HAITI FROM THE HAITI-DOMINICAN REPUBLIC BORDER TO PORT-AU-PRINCE. A HURRICANE WARNING IS ALSO IN EFFECT FOR JAMAICA AND THE CAYMAN ISLANDS. A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. AT 2 AM AST...0600 UTC...THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS CHANGED THE HURRICANE WARNING TO A TROPICAL STORM WARNING FROM BARAHONA TO THE SOUTHERN HAITI-DOMINICAN REPUBLIC BORDER...AND HAS DISCONTINUED THE TROPICAL STORM WARNING FROM EAST OF CABO CAUCEDO TO CABO ENGANO. A TROPICAL STORM WARNING IS IN EFFECT FROM CABO CAUCEDO WESTWARD TO THE SOUTHERN HAITI-DOMINICAN REPUBLIC BORDER. A TROPICAL STORM WARNING IS IN EFFECT FOR COAST OF HAITI NORTH OF PORT-AU-PRINCE TO THE NORTHERN HAITI-DOMINICAN REPUBLIC BORDER. A TROPICAL STORM WARNING IS ALSO IN EFFECT FOR PORTIONS OF EASTERN CUBA...FROM THE PROVINCE OF CAMAGUEY EASTWARD TO THE PROVINCE OF GUANTANAMO. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. A TROPICAL STORM WATCH IS IN EFFECT FOR PORTIONS OF CENTRAL CUBA...FOR THE PROVINCES OF CIEGO DE AVILA...SANCTI SPIRITUS... CIENFUEGOS...MATANZAS...AND ISLA DE LA JUVENTUD. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. INTERESTS ELSEWHERE IN THE WESTERN CARIBBEAN...INCLUDING WESTERN CUBA AND THE YUCATAN PENINSULA...SHOULD CLOSELY MONITOR THE PROGRESS OF DEAN. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 200 AM AST...0600Z...THE EYE OF HURRICANE DEAN WAS LOCATED NEAR LATITUDE 16.4 NORTH...LONGITUDE 72.6 WEST OR ABOUT 295 MILES... 480 KM...EAST-SOUTHEAST OF KINGSTON JAMAICA AND ABOUT 155 MILES... 245 KM...SOUTH OF PORT AU PRINCE HAITI. DEAN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/HR...AND A WEST-NORTHWESTWARD OR WESTWARD MOTION IS EXPECTED DURING THE NEXT 24 HOURS. ON THIS TRACK...THE CORE OF THE HURRICANE WILL PASS JUST SOUTH OF THE SOUTHERN COAST OF HAITI OVER THE NEXT SEVERAL HOURS AND WILL BE NEAR JAMAICA LATER TODAY. MAXIMUM SUSTAINED WINDS ARE NEAR 145 MPH...230 KM/HR...WITH HIGHER GUSTS. DEAN IS AN EXTREMELY DANGEROUS CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE. SOME FLUCTUATIONS IN INTENSITY ARE POSSIBLE DURING THE NEXT 24 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM. AN AIR FORCE HURRICANE HUNTER PLANE RECENTLY MEASURED A MINIMUM CENTRAL PRESSURE OF 921 MB...27.20 INCHES. COASTAL STORM SURGE FLOODING OF 7 TO 9 FEET ABOVE NORMAL TIDE LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...IS POSSIBLE NEAR THE CENTER OF DEAN WITHIN THE HURRICANE WARNING AREA. STORM TOTAL RAINFALL AMOUNTS OF 5 TO 10 INCHES CAN BE EXPECTED OVER JAMAICA...WITH MAXIMUM AMOUNTS OF UP TO 20 INCHES. AMOUNTS OF 4 TO 6 INCHES ARE POSSIBLE OVER SOUTHERN HISPANIOLA WITH MAXIMUM TOTALS OF 10 INCHES. THE REMAINDER OF HISPANIOLA AND EASTERN CUBA COULD RECEIVE 2 TO 4 INCHES OF RAIN...WITH MAXIMUM AMOUNTS UP TO 7 INCHES. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES. REPEATING THE 200 AM AST POSITION...16.4 N...72.6 W. MOVEMENT TOWARD...WEST-NORTHWEST NEAR 17 MPH. MAXIMUM SUSTAINED WINDS...145 MPH. MINIMUM CENTRAL PRESSURE...921 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 500 AM AST. $$ FORECASTER PASCH/BROWN